Maintenance and care
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Storage
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WARNING
Always place the watercraft upright in a horizontal position when storing it, otherwise fuel could leak out into the engine or engine compartment, which could create a fire hazard.
Storage for long periods of time, such as winter storage, requires preventive maintenance to ensure against deterioration. It is advisable to have the watercraft serviced by a Yamaha dealer prior to storage. However, the following procedures can be performed by the owner.
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Flushing the cooling system
Flushing the cooling system is essential to prevent it from clogging with salt, sand, or dirt.
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CAUTION:
●Do not supply water to the cooling water passages when the engine is not run- ning. The water could flow back through the muffler into the crankcase, causing severe engine damage.
●Do not run the engine for more than 15 seconds without supplying water or over 4000 r/min on land, otherwise the engine could overheat.
(1)Remove the watercraft from the water and place it in a horizontal position.
(2)Remove the seat. (See page 28 for seat removal and installation procedures.)
(3)Remove the flushing hose connector cap, and then insert the garden hose
adapter into the flushing hose connector and turn it until it is securely connected.
1Flushing hose connector cap
2Garden hose adapter
3Flushing hose connector
(4)Connect the garden hose adapter to a water tap using a garden hose.
NOTE:
A garden hose is not included and must be purchased separately.
(5)Start the engine, and then immediately turn the water supply on until water flows out continually from the jet thrust nozzle.
(6)Run the engine at idling speed for about 3 minutes watching the engine condition. If the engine stops while flushing, turn the water supply off immediately and repeat the above steps.
(7)Turn the water supply off, and then force the remaining water out of the cooling
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